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Photonic crystal Vertical Cavity Surface Emitting Lasers (PC-VCSELs) - The future for high power single mode behaviour

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2 Author(s)
Rorison, J.M. ; Dept. of Electr. & Electron. Eng., Univ. of Bristol, Bristol, UK ; Ivanov, P.

Vertical Cavity Surface Emitting Lasers (VCSELs) have many advantages but their multi-mode transverse mode behaviour introduces problems for applications where output mode shape is important such as injection into fibre. Several groups world-wide have been investigating introducing photonic-crystal-hole patterns into the top-DBR to control the transverse modes. This has been observed to enhance the range of single mode behaviour but at the cost of low-output power. In addition there have been observations of altered modulation speed characteristics.

Published in:
Transparent Optical Networks, 2009. ICTON '09. 11th International Conference on

Date of Conference: June 28 2009-July 2 2009

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